diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
index aa0540ea72148..ad3b0b5a6109a 100644
--- a/libc-test/semver/dragonfly.txt
+++ b/libc-test/semver/dragonfly.txt
@@ -229,8 +229,10 @@ ENOATTR
 ENOLINK
 ENOMEDIUM
 ENOTBLK
+ENOTRECOVERABLE
 ENOTSUP
 EOF
+EOWNERDEAD
 EPROCLIM
 EPROCUNAVAIL
 EPROGMISMATCH
diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index abe0440605752..f4fa6047537c9 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -762,6 +762,8 @@ pub const F_SETLK: ::c_int = 8;
 pub const F_SETLKW: ::c_int = 9;
 pub const F_GETPATH: ::c_int = 19;
 pub const ENOMEDIUM: ::c_int = 93;
+pub const ENOTRECOVERABLE: ::c_int = 94;
+pub const EOWNERDEAD: ::c_int = 95;
 pub const EASYNC: ::c_int = 99;
 pub const ELAST: ::c_int = 99;
 pub const RLIMIT_POSIXLOCKS: ::c_int = 11;